At least 60 swimmers were injured in a piranha attack on Christmas Day in the Argentine city of Rosario, officials said Thursday.
A 7-year-old girl lost part of her finger and a boy sustained an open fracture to his hand during the feeding frenzy that injured more than 20 children, The Independent reported.
Other victims suffered bites to their feet and hands by the meat-eating fish.
A medical official, Gustavo Centurion, said the attack on Wednesday was "very aggressive," Agence France-Presse reported.
"There were some people that the fish literally had torn bits of flesh from," he said.
Federico Cornier, Rosario's director of emergency services, said in a televised statement: "This is not normal. It's normal for there to be an isolated bite or injury, but the magnitude in this case was great … this is an exceptional event."
The carnivorous fish are believed to have been attracted to the area by bait left behind by fishermen at Parana River beach, The Independent reported.
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